Shingle cutter



A. ROGERS SHINGLE CUTTER- Dec. 1,1959

2 Sheets-Sheet 1 Filed Dec. 4, 195'! I N VEN TOR flZv-in R 2 Sheets-Sheet 2 INVENTOR,

yers A. ROGERS SHINGLE CUTTER Filed 1957 *unitedstitesliatenfl SHINGLE CUTTER Application December 4, 1957, Serial No. 700,683 2 Claims. (Cl. 30-272) The present invention relates to shingle cutters, and more particularly to a shingle cutter which is hand carried and hand manipulated.

The primary object of the invention is to provide a shingle cutter which can be held in the hand while cutting shingles.

Another object of the invention is to provide a shingle cutter of the class described above which is adapted to cut asbestos cement shingles of the type used for building siding.

Another object of the invention is to provide a shingle cutter of the class described above in which the cutter element is moved by a lever linkage system so as to require a minimum of strength to actuate the cutter.

Other objects and advantages will become apparent in the following specification when considered in the light of the attached drawings, in which:

Figure l is a perspective view of the invention.

\Figure 2 is a longitudinal cross-section taken along the line 2--2 of Figure .1, looking in the direction of the arrows.

Figure 3 is a vertical cross-section taken along the line 3-3 of Figure 2, looking in the direction of the arrows.

Figure 4 is an enlarged transverse sectional view taken along the line 44 of Figure 2, looking in the direction of the arrows.

Figure 5 is an enlarged fragmentary longitudinal cross- 3 section taken along the line 5-5 of Figure 2, looking in the direction of the arrows.

Figure 6 is an enlarged fragmentary transverse section taken along the line 6-6 of Figure 2, looking in the direction of the arrows.

Figure 7 is a fragmentary view similar to Figure 2, illustrating the hole punching operation of the invention.

Figure 8 is a bottom plan view of one end of the frame with the cutting elements removed.

Referring now to the drawings in detail wherein like reference characters indicate like parts throughout the several figures, the reference numeral 10 indicates generally a shingle cutter constructed in accordance with the invention.

The shingle cutter 10 comprises a pair of angle iron frame members 11, 12 arranged in spaced parallel rela tion. The frame member 11 has a vertical leg 13 and a horizontal leg 14, and the frame member 12 has a vertical leg 15 and a horizontal leg 16.

A spacer block 17 is arranged between the frame members 11, 12 and secured therebetween by a rivet 18 extending therethrough. A spacer block 19 is positioned between the frame members 11, 12 adjacent to but slightly spaced from the spacer block .17 and secured therein by a rivet 20 passing therethrough. The spacer blocks 17 and 19 have their adjacent faces 21, 22, respectively inclined, to providea V-shaped passage opening at 23 at the lower edge of the legs 13, 15.

A combined spacer and handle frame member 24 is positioned between the frame members 1 1, 12 at the end 2 thereof opposite the block 17 andis secured therebetween by rivets .25 extending therethrough; A handle 26- is arranged in'encompassing relation to the lower end of the member 24 and is secured thereto by rivets 27. A spacer block 28 is positioned between the frame members 11, 12

intermediate the spacer block 19 and the member 24' and is secured therebetween by a rivet' 29 extending' there'- tbrough.

A cutter blade 30 is arranged for pivotal movement between the frame members 11, .12 intermediate the spacer blocks 19 and 28. A pivot pin 31 extends through'the legs 13, 15 of the frame member's11,,12 andjhas the cutter blade 30 journalled thereon. The pivot pin 31 extends beyond the legs 13,15 at each end? thereof and is provided with an annular recess 32 adjacent each end.

.The cutter blade 30 has a cutting edge 33 extending substantially radially thereof having a slightly convex curvature. An operating arm 34 is formed integrally on the lower end of the cutter blade 30 and slopes rearwardly toward the handle 26, as can be best seen in Figure 2.

A pair of punch arms 35, 36 are secured on opposite sides of the cutter blade 30 in aligned relation by means of bolts 37 extending therethrough. The punch arms 35, 36 converge forwardly from the cutter blade 30 and have a punch pin 38 clamped therebetween by means of bolts 39 extending therethrough. The punch pin 38, on movement of the cutter blade 30 about the pivot pin 31, engages between the legs 13, 15 and between the spacer blocks 17, 19, as'can be seen in Figures 4 and 7.

A substantially U-shaped operating handle frame 40 has a bight portion 41 pivotally secured between the legs 13, 15 by means of a pivot pin 42. A leg 43 of the handle frame 40 extends rearwardly and downwardly from the pivot pin 42 and has grip members 44 secured to the opposite sides thereof by rivets 45. The bight 41 of the handle frame 40 has a leg 46 extending downwardly and forwardly from the pivot 42 for a distance substantially less than that of the leg 43.

A link 47 has a bifurcated end 48 thereof pivotally secured to the free end of the leg 46 by means of an elongated pivot pin 49 having annular recesses 50 formed on the otuerend thereof.

The link 47 has a bifurcated end 51 opposite the bifurcated end 48. The bifurcated end 51 is engaged over the cutter operating arm 34 and pivotally secured thereto by a pivot pin 52.

Coil springs 53 are arranged on opposite sides of the shingle cutter 10 and have their upper forward ends engaged in the annular grooves 32in the pivot pin 31, and their lower rear ends engaged in the annular grooves 50 in the pivot pin 49. The coil springs 53 normally urge the link 47 forwardly to normally raise the cutter operating arm 34 to move the cutting edge 33 away from its cutting position.

The legs 13 and 15 are outwardly offset at 54, 55, respectively, to provide clearance between the frame members 11, 12 for the material removed in cutting with the cutter 30.

In the use and operation of the invention a squeezing action by one hand on the grips 44 by pressure from the handle 26 causes the handle frame member 40 to pivot on the pivot pin 42 moving the link 47 downwardly to swing the operating arm 34 downwardly and forwardly. Swinging movement of the operating arm 34 about the pivot 31 causes the cutter edge 33 to approach the horizontal legs 14, 16 of the frame members .11, 12 so as to cut a shingle 5 6 positioned thereon. I

As can be seen Figure 7, the shingle 56 can be positioned beneath the frame members 11, 12 in position to be contacted by the punch 38. Identical movement of the grips 44 toward the handle 26 described above for 3 the cutting operation will move the punch 38 sufliciently to punch an opening in the shingle 56 contacted thereby. Having thus described the preferred embodiment of the invention, it should be understood that numerous structural modifications and" idaptations' may be resorted to without departing from the scope of the appended claims. Whatis clain'iedis: 1

a 1. A shingle cutter comprising a pair er spaed'paranei elongated frame members with each of said frame members having an upright leg and a horizontal leg, "spacer blocks Secured between said fraine members, a cutter blade pivotally secured between said frame members, a cutter operating" arm integrally formed on said cutter blade and extending downwardly and rarwardly therefrom, a handle fixedly secured to said frame members at the rear thereof depending substantially perpendicularly therefrom, a second handle member pivotally secured between said frame members and arranged for movement toward said first handle, a link bifurcated at each end and having one end pivotally secured to said cutter operating arm, means pivoting the opposite end of said link to said pivoted handle, and means extending between the cutter pivot and the means pivoting said link to said pivoted handle for normally biasing said cutter to open position.

2. A device as claimed in claim 1 wherein the upright legs of said frame members are provided with outwardly oflset portions adjacent said cutter blade to permit the passage of cuttings therebetween.

Referenc'esCit ed in the file of this patent UNITED STATES PATENTS Pape Oct. 16, 

